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Cambustion FID50 sampling from vehicle engine bay

FID50 | Flame Ionisation Detector


The FID50 “entry level” fast FID is designed for both engine and non-engine single channel applications where a 15 ms T10-90 response time is sufficient.

Typical applications include pre- or post-catalyst engine exhaust THC measurement, rapid leak detection from HC gas-carrying pipelines, mobile THC measurement, wind tunnel measurement of HC tracer gas mixing & dispersion, feedback control of biogas production and other process control applications.

Cambustion FID50 with sample line
Rear panel and sample head of FID50 HC analyzer

Differences from other Cambustion HC Analyzers

The design differs from the other Cambustion fast gas analyzers in two significant ways:

  1. It is a single channel analyzer.

  2. Its detector is housed within a small control box with a heated or unheated sample line delivering the gas from the sample point.

Typically, the sample line length is 3 metres and with the option of sample filtration where contaminated sample may deposit within the control box.

Like our other fast FIDs, the detection method is still using the trusted FID principle.

Typical applications include pre- or post-catalyst engine exhaust THC measurement, rapid leak detection from HC gas-carrying pipelines, mobile THC measurement, wind tunnel measurement of HC tracer gas mixing & dispersion, feedback control of biogas production and other process control applications.

Example Data

Cambustion FID50 sampling from above bottles passing by on a production line

Ultra-fast HC contamination detection in industrial processes

Ultra-fast HC measurement to identify fuel & oil contamination of containers is now possible with millisecond response. Cambustion’s FID50 has been adapted from a 30 year heritage of engine exhaust measurements and wind tunnel tracer gas applications to adapt it for process measurements where the high speed of passing product requires ultra-fast response to identify any “spikes” in hydrocarbon readings – indicating contamination.

With a 10-90% rise time of 10 milliseconds, this fast FID is ideal for process control and identification of hydrocarbon traces.

The system includes a heated or unheated sample line (typically 3 metres long but with alternative lengths available) whose sensing tip can be held either at a fixed location to sample from a passing production line or moved rapidly from point to point using a robot arm, needing to dwell at each position for only 10 milliseconds to identify a trace of HC contamination.

The rapid time response means that process speed need not be limited by the detection time lag inherent in traditional hand-held and fixed format flame ionisation detectors (FIDs).

The equipment is 19” rack mountable or free-standing with an option to fuel for up to two hours using small 3-inch hydrogen “sticks” for portable applications.

Key Application Notes

TitleData TypeDownload FileSizeLast Updated
TitleCombustion instability detection during catalyst heating phase of GDI cold startData TypeApplication noteDownload Filehfr09v01-gdi-cold-start-catalyst-heating-strategy-combustion-instability.pdfSize556.60 KBLast Updated
TitleFlame Traverse SamplingData TypeApplication noteDownload Filecld06v01-fast-gas-analysis-traversing-a-methane-flame.pdfSize1.69 MBLast Updated
TitleGasoline Direct Injection (GDI) HC emissionsData TypeApplication noteDownload Filehfr07v01-gdi-hc-emissions.pdfSize131.46 KBLast Updated

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